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ReactJS 18 RC Version Out! Read to know the distinguishing features

Date: 31-01-2022

ReactJS is an open-source library. It runs on Javascript and is an exceptional resource helpful for startups and business tycoons. ReactJS develops fast and efficient UI-rich web applications. Many conglomerates like PayPal, Uber, and Instagram choose React, as minimal coding is required for the development. The flexibility and simplicity offered by ReactJS development are other distinguishing features that make it an attractive option. 

Recently, ReactJS 18 RC version was made available on the official website. It was predicted to be revolutionary. Let’s find out if this version can assist web developers in building the next big thing.

Notable Features of ReactJS 18

Give below are the much-awaited novel features of ReactJS 18. Web developers are advised to go through the same for better understanding and awareness. 

Concurrent Mode

Concurrent mode refers to the process of executing multiple tasks simultaneously. In previous versions of ReactJS, performing myriad tasks concomitantly resulted in a heavy load at the server followed by disruption of workflow. However, the latest version of ReactJS 18 ensures that installed dispatcher invokes and prioritizes callbacks like hook calls and function calls. Consequently, optimum and performant experiences for the users are guaranteed.

Transition API

The team of ReactJS development has introduced a few new APIs in the latest version. These APIs ensure that web developers have control over concurrency. One of the APIs is startTransition. This API enables developers to make React aware of actions that may block the thread and cause lag on the screen. Updates that fall under startTransition are marked as non-urgent. They will be interrupted if more urgent updates like clicks or key-presses come in.  

Another API is useTransition. If developers want to show that a transition is pending they can display a loader using startTransition API. This will signify users that the application is processing their input and will display the results shortly. 

Batching API

The new Batching API introduced in React 18 will automatically group multiple updates into a single render, irrespective of their origin. This will improve the rendering time and overall performance of web applications. With the recent update in the framework, the batching process has been made more efficient and consistent.

New Suspense SSR Architecture 

The latest version of React 18 includes new suspense SSR architecture which will improve the rendering process. To clearly understand the improvement, let’s see what is server-side rendering. 

Server-side rendering refers to the ability of an application to convert HTML files on the server into a fully rendered HTML page for the client. The client requests information from the server, which instantly responds by displaying a rendered page. But sometimes, the javascript on the backend takes a long time to get processed, and the time taken is known as Hydrating Time. 

The latest version of React 18 includes architectural improvements to the React SSR’s performance. The new version will enable streaming HTML directly on the server using another component called Suspense. This component will decide which parts of the application might take longer to load. The components that are wrapped with Suspense will follow a selective hydration method. Every ready component will be displayed on the webpage once the browser gets both its content and javascript code.

Conclusion

The latest version of React 18 looks quite impressive. This version has opened up new possibilities for web developers, which were previously impossible. React 18 has been smartly crafted to meet all the requirements of web developers. Developers need to read more and more about the features of the latest version and implement the same in their next project for enhanced efficiency.

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